Sectional garage door



FIG. 1 is a front elevation view of a sectional garage door that includes four panels;

FIG. 2 is a front elevation view of one of the panels of the sectional garage door as shown in FIG. 1; and,

FIG. 3 is a cross-sectional view of the panel of FIG. 2, taken along line 2-2 as shown in FIG. 2.

The broken lines depict portions of the sectional garage door that form no part of the claimed design. 

CLAIM I claim the ornamental design for a sectional garage door, as shown and described. 